This adds typechecking to suspend types and powerdown types.  This should
solve at least part of suspend type confusion.  There should be no code
changes generated by this one.
Acked-by: Patrick Mochel <mochel@digitalimplant.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>